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Space-Frequency Decision Feedback Equalizer
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DOI：10.1109/TVT.2011.2131159.png)
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摘要
En 中文
We consider the detection of multiple cochannel single-carrier spatially multiplexed data streams. To this end, we propose a hybrid time-frequency-domain decision feedback equalizer, which performs parallel detection of the data streams. A practical parameter estimation algorithm for these receivers is developed, which estimates the MIMO channel in parallel as a set of effective channel vectors. To avoid interference cancellation, we develop a two-stage frequency-domain (FD) forward section that implements linear cochannel interference (CCI) suppression in cascade with equalization utilizing estimated channel-state information. The resulting receiver architecture outperforms interference cancellation-based equalizers in the presence of channel estimation errors. Furthermore, all transmitted data streams achieve equal diversity gains.
Keyword:
Channel estimation
decision feedback equalizer
frequency domain equalization
multiple-input-multiple-output (MIMO)
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期刊
IF:
7.1
论文数:
1.8W
被引数:
6.6W
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引用论文
Single Carrier Modulation With Nonlinear Frequency Domain Equalization: An Idea Whose Time Has Come-Again.png)
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